243363 2022-07-29 19:43:27 -0700 Prevent background propagation on <html> with any containment 2022-08-02 07:10:45 -0700 1 1 1 Unclassified WebKit Layout and Rendering Safari 14 Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ntim zalan bfulgham cathiechen changseok esprehn+autocc ews-watchlist fujii glenn kondapallykalyan pdr rbuis simon.fraser webkit-bug-importer zalan oldest_to_newest 1887807 0 ntim 2022-07-29 19:43:27 -0700 WPTs: css/css-contain/contain-html-bg-001.html css/css-contain/contain-html-bg-002.html css/css-contain/contain-html-bg-003.html The results make it pretty clear what this is about: https://wpt.fyi/analyzer?screenshot=sha1%3A93c3c4c555b8fa38035d23b475072ba6c920aaf7&screenshot=sha1%3A422ed5a9b8fce6673dbb700360cefb1ba06af8fa If <html> has a fixed size and contain: layout, the background shouldn't spread above that size. 1888123 1 webkit-bug-importer 2022-08-01 11:56:04 -0700 <rdar://problem/97927457> 1888256 2 461344 zalan 2022-08-01 16:51:51 -0700 Created attachment 461344 Patch 1888308 3 461348 zalan 2022-08-01 21:32:37 -0700 Created attachment 461348 Patch 1888382 4 ews-feeder 2022-08-02 07:10:42 -0700 Committed 253031@main (320ad146e7fa): <https://commits.webkit.org/253031@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 461348. 461344 2022-08-01 16:51:51 -0700 2022-08-01 21:32:34 -0700 Patch bug-243363-20220801165150.patch text/plain 3231 zalan RnJvbSBkMTFmOTAxZGNlOTFkODYyODY3OWFkZTk1NTA4NDkxODZlZjI5ODg5IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBbGFuIEJ1anRhcyA8emFsYW5AYXBwbGUuY29tPgpEYXRlOiBN b24sIDEgQXVnIDIwMjIgMTY6Mjk6NDcgLTA3MDAKU3ViamVjdDogW1BBVENIXSBQcmV2ZW50IGJh Y2tncm91bmQgcHJvcGFnYXRpb24gb24gPGh0bWw+IHdpdGggYW55IGNvbnRhaW5tZW50CiBodHRw czovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjQzMzYzCgpSZXZpZXdlZCBieSBO T0JPRFkgKE9PUFMhKS4KClRoaXMgcGF0Y2ggZW5zdXJlcyB0aGF0IHdlIGRvbid0IHBhaW50IHRo ZSByb290IChpbml0aWFsIGNvbnRhaW4gYmxvY2spIGJhY2tncm91bmQgdW5sZXNzIHRoZXJlJ3Mg YSByZW5kZXJlciBmcm9tIHdoZXJlIHRoZSBiYWNrZ3JvdW5kIGNvbG9yIGNvdWxkIGJlIHByb3Bh Z2F0ZWQuIFRoaXMgc2hvdWxkIGluY2x1ZGUgY2FzZXMgd2hlbiBjb250YWlubWVudCBydWxlcyBw cmV2ZW50IHRoZSBiYWNrZ3JvdW5kIGNvbG9yIGZyb20gYmVpbmcgcGFpbnRlZCBvbiB0aGUgY2Fu 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